Ed technology advocates interested in games end up dealing with the violence in commercial video games. Some (Gee) encourage an exploration of the popularity of such games in order to discover what mights such challenging experiences attractive. The rest of us just find ourselves associated because of the use of common terminology (video games).
Violent actions (many involving school shootings) often encourage some to point fingers at violent games – fair or not. Here is a nice analysis of what is known about the influence of violent games from the ReadWrite web site.